This guidance document is intended for use by Publicly Owned Treatment Works (POTW) inspectors where the POTW has an approved pretreatment program.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Industrial User Inspection and Sampling Manual for POTWs (PDF)(193 pp, 6 MB, January 2017, EPA-831-B-17-001)